Atto Primo Motorcycle

Vehicle, Mobility and Transportation Design Atto Primo Motorcycle by Marco Naccarella Significant advancements to engine design are desired for future motorcycles, automobiles, aircraft, boats. Two fundamental but persistent problems are optimum combustion and operator-friendly operation. Operator-friendly operation preferably includes consideration of vibration, vehicle handling, engine reliability, use of available fuels, mean piston speed, endurance, engine lubrication, crankshaft torque, system simplicity. This disclosure describes an innovative 4-stroke engine that simultaneously provides reliability, efficiency, and low emissions in a single design.